可见光介导的三组分无效化策略,用于合成2,3-不替代的quinazolin-4(3H) -ones
Yingying Wu1, Lvyin Zheng1, Yinyun Lin1
1Jiangxi Provincial Key Laboratory of Synthetic Pharmaceutical Chemistry, Gannan Normal University, Ganzhou 341000, China.
The Journal of organic chemistry
|January 21, 2026
概括
一种新的可见光方法有效地合成了2,3-非替代的quinazolin-4(3H) -ones. 这种三组分反应在温和条件下使用易于获得的材料,不需要催化剂或氧化剂.
科学领域:
- 有机化学 有机化学
- 合成化学 合成化学
- 药用化学 医学化学
背景情况:
- 基纳佐林-4(3H) -ones是重要的异环化合物,具有多样化的生物活性.
- 现有的合成方法通常需要恶劣的条件,昂贵的催化剂或多个步骤.
研究的目的:
- 开发一种新,高效和温和的合成策略,用于2,3-异位化quinazolin-4(3H) -ones.
- 为了利用可见光调解来实现三组分无效反应.
主要方法:
- 一种三组分反应,涉及异硫酸盐,替代的anilines,和isatins.
- 在现场生成甲基尿素中间体,然后进行正式的 [4 + 2] 取消.
- 在温和反应条件下的可见光照射,没有光催化剂,过渡金属或外部氧化剂.
主要成果:
- 成功合成了各种2,3-异位化quinazolin-4(3H) -ones. 的成功合成.
- 反应通过两种C-N键形成进行,采用一两步协议.
- 在温和的条件下实现了高产量和选择性.
结论:
- 开发的方法提供了一条直接而可持续的途径,以获得有价值的quinazolin-4(3H) -one衍生物.
- 这种以可见光为媒介的策略可以避免使用危险的试剂或复杂的设置.
- 这种方法适用于合成多种类型的quinazolin-4(3H) -one库,以便进一步进行生物评估.
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